FIRE-FIGHTING DEVICE AND GAS PRODUCER STARTING UNIT Russian patent published in 1995 - IPC

FIELD: fire-fighting aids. SUBSTANCE: nozzle is made as a piston installed in its casing, furnished with a rod closing the nozzle outlet on the side of the extinguishant by-pass chamber, and with an anvil-on the opposite side that is engageable with a blade secured inside the nozzle casing; destructible member is installed between the blade and anvil. A striker is installed in the gas producer inside the casing; a bush is positioned between the spring and casing cover, its end face on the side of the cover is engageable with a washer overlapping its central opening and made of easily fusible material, for example, Wood's alloy; to unfix the striker, a sleeve is fitted onto the casing that is rigidly coupled with the bush and furnished with grooves on the internal surface for the member that fixes the striker. EFFECT: enhanced reliability. 3 cl, 3 dwg